Cabarrus CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 16, 2022 | 87 hrs | 26,906 (22%) | Hail |
| Sep 27, 2024 | 24 hrs | 20,431 (17%) | Flash Flood |
| Dec 24, 2022 | 63 hrs | 19,208 (16%) | Cold/Wind Chill |
| Mar 12, 2022 | 9 hrs | 17,072 (14%) | Unnamed event |
| Aug 7, 2023 | 13 hrs | 16,561 (14%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Cabarrus County, North Carolina that day.
Over the 12 years from 2014 to 2025, Cabarrus County recorded 975 distinct power outage events, averaging 3.5 hours per event.
The single worst outage on record in Cabarrus County started June 16, 2022 (Hail), lasting 87 hours and leaving up to 26,906 customers without power (22% of the county) at its peak.
July has historically been the worst month for outages in Cabarrus County, with 129 events recorded during that month across the dataset.
Based on this history, Cabarrus County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in North Carolina
Counties with the closest reliability grade and national percentile to Cabarrus County.
| County | Grade | National percentile |
|---|---|---|
| Iredell County | B | 61st |
| Franklin County | B | 64th |
| Stanly County | C | 60th |
| Greene County | B | 66th |
| Halifax County | B | 66th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
FAQ
How often does power go out in Cabarrus County?
Between 2014 and 2025, Cabarrus County recorded 975 outage events, averaging 3.5 hours each.
What is Cabarrus County's reliability grade?
Cabarrus County has a Reliability Grade of B, in the 62nd national percentile.
What was the worst power outage in Cabarrus County?
The worst outage on record started June 16, 2022 (Hail), lasting 87 hours and affecting up to 26,906 customers.